Chemistry Questions Practice Question and Answer
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Q: Percentage of lead in lead pencil is:
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5ed62769436d8a49583c61d8- 1zerotrue
- 220false
- 380false
- 47false
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Answer : 1. "zero "
Q: Which one of the following polymer is used in making bullet - proof vest?
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5f06e6dfb13c2d244adae1f1- 1Teflonfalse
- 2Polyurethanefalse
- 3Bakelitefalse
- 4Polyamidetrue
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Answer : 4. "Polyamide "
Q: Which one of the following is also known as ' wood spirit’s?
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5efc069ee824154f4027ad4b- 1Methyl alcoholtrue
- 2Ethyl alcoholfalse
- 3Ethylene glycolfalse
- 4Glycerolfalse
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Answer : 1. "Methyl alcohol "
Q: Which of the following is the most common kidney stone-forming compound?
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5ee85d18c9ddb00b8bda9adc- 1Calcium oxalatetrue
- 2Magnesium oxidefalse
- 3Sodium bicarbonatefalse
- 4Magnesium citratefalse
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Answer : 1. "Calcium oxalate"
Q: A pungent small often present near the urinals is due to
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5ef1b1187fed557ba2abd940- 1Ammoniatrue
- 2Ureafalse
- 3Sulphur- di-oxidefalse
- 4Chlorinefalse
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Answer : 1. "Ammonia "
Q: Which of the following is the lightest element in the universe?
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5f06dcb83f7f07047795e462- 1Nitrogenfalse
- 2Siliconfalse
- 3Heliumfalse
- 4Hydrogentrue
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Answer : 4. "Hydrogen "
Q: Lightest metal is___
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5f7465f1a921aa16e68bd6a5- 1Potassiumfalse
- 2Lithiumtrue
- 3Sodiumfalse
- 4Aluminumfalse
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Answer : 2. "Lithium"
Q: The maximum number of electrons that can be accommodated in M shell is:
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5ef58bbe196e681f76d9c38c- 18false
- 232false
- 318true
- 42false
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Answer : 3. "18"
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